#!/usr/bin/node

const log = console.log;

log('process id:', process.pid);

process.stdin.resume();

process.on('SIGINT', () => {
    log('your press ctrl-c, good bye');
      process.exit();

});

process.on('SIGTSTP', () => {
    log('you press ctrl-z, stop running');
      process.exit();

});
